missing stuff from quickcarpet

src/main/java/carpet/mixins/FloatingIslandsChunkGeneratorMixin.java

@@ -0,0 +1,37 @@
+package carpet.mixins;
+
+import carpet.CarpetSettings;
+import net.minecraft.entity.EntityCategory;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.IWorld;
+import net.minecraft.world.biome.Biome;
+import net.minecraft.world.biome.source.BiomeSource;
+import net.minecraft.world.gen.chunk.FloatingIslandsChunkGenerator;
+import net.minecraft.world.gen.chunk.FloatingIslandsChunkGeneratorConfig;
+import net.minecraft.world.gen.chunk.SurfaceChunkGenerator;
+import net.minecraft.world.gen.feature.Feature;
+import org.spongepowered.asm.mixin.Mixin;
+
+import java.util.List;
+
+@Mixin(FloatingIslandsChunkGenerator.class)
+public abstract class FloatingIslandsChunkGeneratorMixin extends SurfaceChunkGenerator<FloatingIslandsChunkGeneratorConfig>
+{
+    public FloatingIslandsChunkGeneratorMixin(IWorld iWorld_1, BiomeSource biomeSource_1, int int_1, int int_2, int int_3, FloatingIslandsChunkGeneratorConfig chunkGeneratorConfig_1, boolean boolean_1)
+    {
+        super(iWorld_1, biomeSource_1, int_1, int_2, int_3, chunkGeneratorConfig_1, boolean_1);
+    }
+
+    @Override
+    public List<Biome.SpawnEntry> getEntitySpawnList(EntityCategory entityCategory_1, BlockPos blockPos_1)
+    {
+        if (CarpetSettings.b_shulkerSpawningInEndCities && EntityCategory.MONSTER == entityCategory_1)
+        {
+            if (Feature.END_CITY.isInsideStructure(this.world, blockPos_1))
+            {
+                return Feature.END_CITY.getMonsterSpawns();
+            }
+        }
+        return this.world.getBiome(blockPos_1).getEntitySpawnList(entityCategory_1);
+    }
+}